protected override Roi CreateRoiFromGraphic(IOverlayGraphicsProvider overlayGraphics, RectangleF shapeData)
{
EllipsePrimitive graphic = new EllipsePrimitive();
overlayGraphics.OverlayGraphics.Add(graphic);
graphic.CoordinateSystem = CoordinateSystem.Source;
graphic.TopLeft = shapeData.Location;
graphic.BottomRight = shapeData.Location + shapeData.Size;
graphic.ResetCoordinateSystem();
return(graphic.GetRoi());
}
private GeometricShutter ConvertToGeometricShutter()
{
GeometricShutter shutter;
if (_selectedShutterType == ShutterType.Rectangle)
{
RectanglePrimitive primitive = (RectanglePrimitive)_primitiveGraphic;
primitive.CoordinateSystem = CoordinateSystem.Source;
Rectangle rectangle =
new Rectangle((int)primitive.TopLeft.X, (int)primitive.TopLeft.Y, (int)primitive.Width, (int)primitive.Height);
primitive.ResetCoordinateSystem();
shutter = new RectangularShutter(rectangle);
}
else if (_selectedShutterType == ShutterType.Polygon)
{
PolylineGraphic polyLine = (PolylineGraphic)_primitiveGraphic;
polyLine.CoordinateSystem = CoordinateSystem.Source;
List <Point> points = new List <Point>();
for (int i = 0; i < polyLine.Points.Count; ++i)
{
points.Add(new Point((int)polyLine.Points[i].X, (int)polyLine.Points[i].Y));
}
polyLine.ResetCoordinateSystem();
shutter = new PolygonalShutter(points);
}
else
{
EllipsePrimitive primitive = (EllipsePrimitive)_primitiveGraphic;
primitive.CoordinateSystem = CoordinateSystem.Source;
Rectangle rectangle = new Rectangle((int)primitive.TopLeft.X, (int)primitive.TopLeft.Y, (int)primitive.Width, (int)primitive.Height);
rectangle = RectangleUtilities.ConvertToPositiveRectangle(rectangle);
int radius = rectangle.Width / 2;
Point center = new Point(rectangle.X + radius, rectangle.Y + radius);
primitive.ResetCoordinateSystem();
shutter = new CircularShutter(center, radius);
}
RemoveDrawShutterGraphic();
return(shutter);
}
